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dm: core: Update uclass_find_next_free_req_seq() for new scheme

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This function current deals with req_seq which is deprecated. Update it to
use the new sequence numbers, putting them above existing aliases. Rename
the function to make this clear.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2020-12-16 21:20:30 -07:00
parent 991759196f
commit a133e2179a
4 changed files with 27 additions and 21 deletions
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17
include/dm/uclass-internal.h
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@@ -12,17 +12,20 @@
#include <dm/ofnode.h>
/**
* uclass_find_next_free_req_seq() - Get the next free req_seq number
* uclass_find_next_free_seq() - Get the next free sequence number
*
* This returns the next free req_seq number. This is useful only if
* OF_CONTROL is not used. The next free req_seq number is simply the
* maximum req_seq of the uclass + 1.
* This allows assiging req_seq number in the binding order.
* This returns the next free sequence number. This is useful only if
* OF_CONTROL is not used. The next free sequence number is simply the
* maximum sequence number used by all devices in the uclass + 1. The value
* returned is always greater than the largest alias, if DM_SEQ_ALIAS is enabled
* and the uclass has the DM_UC_FLAG_SEQ_ALIAS flag.
*
* This allows assigning the sequence number in the binding order.
*
* @uc: uclass to check
* @return The next free req_seq number
* @return The next free sequence number
*/
int uclass_find_next_free_req_seq(struct uclass *uc);
int uclass_find_next_free_seq(struct uclass *uc);
/**
* uclass_get_device_tail() - handle the end of a get_device call